how to solve the problem (ax+by)²+(bx-ay)²
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Answer:
1st expand (ax+by)^2
after expanding u will get =ax^2+by^2+2axby
then expand (bx-ay)^2
after expanding u will get =bx^2+ay^2-2bxay
After expanding we have to simplify the 1st equation with the 2nd....
ax^2+by^2+2axby+bx^2+ay^2-2bxay
ax^2+by^2+by^2+ay^2 ( + and - 2axby gets cancelled)
Step-by-step explanation:
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